Java Utililty Methods Comma Separated List

List of utility methods to do Comma Separated List

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Description

The list of methods to do Comma Separated List are organized into topic(s).

Method

StringlistToCommandLine(List commands)
list To Command Line 
String arguments = "";
for (String command : commands) {
    arguments += command;
    arguments += " ";
if (arguments.length() > 0)
    arguments = arguments.substring(0, arguments.length() - 1);
return arguments;
...
StringlistToCommas(List list)
Inserts a commas between each word in the given string with StringBuilder. 
StringBuilder builder = new StringBuilder();
for (int i = 0; i < list.size(); i++) {
    String string = list.get(i);
    if ((i + 1) == list.size()) {
        builder.append(string);
    } else
        builder.append(string + ", ");
return builder.toString().trim();
StringlistToCommaSep(List strings)
list To Comma Sep 
if (strings.isEmpty())
    return "&bNone";
StringBuilder sb = new StringBuilder();
strings.forEach(s -> sb.append("&3").append(s).append("&7, "));
return sb.delete(sb.length() - 2, sb.length()).toString();
StringlistToCommaSeparatedList(String prefix, List stringList)
list To Comma Separated List 
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append(prefix);
for (int i = 0; i < stringList.size(); i++) {
    stringBuilder.append(stringList.get(i));
    if ((i + 1) < stringList.size())
        stringBuilder.append(",");
return stringBuilder.toString();
...
StringlistToCommaSeparatedString(List list)
list To Comma Separated String 
if (list == null) {
    return null;
StringBuffer result = new StringBuffer();
for (int i = 0; i < list.size(); i++) {
    result.append(list.get(i) + (i == list.size() - 1 ? "" : ", "));
return result.toString();
...
StringlistToString(List list, boolean doCommas)
list To String 
StringBuilder sb = new StringBuilder();
for (String str : list) {
    if (sb.length() > 0) {
        if (doCommas) {
            sb.append(",");
        sb.append(" ");
    sb.append(str);
return sb.toString();
ArrayListloadListFromStrings(final String commaDelimitedStrings, final boolean sortList)
Converts a string containing a comma-delimited list of values into a List containing those values. 
return loadListFromStrings(null, commaDelimitedStrings, sortList);
voidmoveClasspathArgToEnvironmentVariable(List commandArgs, ProcessBuilder pb)
move Classpath Arg To Environment Variable 
int cpFlagIndex = commandArgs.indexOf("-cp");
if (cpFlagIndex == -1) {
    cpFlagIndex = commandArgs.indexOf("-classpath");
if (cpFlagIndex > -1 && cpFlagIndex < commandArgs.size() - 1) {
    Map<String, String> env = pb.environment();
    String classpath = commandArgs.get(cpFlagIndex + 1);
    env.put("CLASSPATH", classpath);
...
ListparseCommaList(String nameCommaList)
Parses a comma-separated list. 
if (nameCommaList.equals("")) {
    return Collections.emptyList();
if (nameCommaList.endsWith(",")) {
    final String zzz = "zzz";
    final List<String> list = parseCommaList(nameCommaList + zzz);
    String last = list.get(list.size() - 1);
    if (last.equals(zzz)) {
...
voidparseRsfCommands(List rsfLines, List addItemCommands, List appendEntryCommands)
parse Rsf Commands 
rsfLines.stream().forEach(command -> {
    if (command.startsWith("add-item")) {
        addItemCommands.add(command);
    } else if (command.startsWith("append-entry")) {
        appendEntryCommands.add(command);
});